using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Collections.Generic;
public static void Main()
var datetimeUtc = DateTime.UtcNow;
var datetime = DateTime.Now;
Console.WriteLine(((DateTime)default) < datetime);
Console.WriteLine(datetimeUtc.Ticks);
Console.WriteLine( JsonConvert.SerializeObject(Enumerable.Range(1, 11)));